... 20000Psi 2, Medium:Oil,Gas,Mud3, T.C.:-46°C~121°C(L.U)4, M.C.:AA,BB,CC,DD,EE,FF5, PSL ... line of API 6A wellhead equipment including casing heads, casing spools, tubing heads/spools, tubing head adapters, casing hangers, tubing hangers, base plates, secondary ... check valves, DM type mud gate valves, flanges, adapter spools, spacer spools, and H2 type chokes, etc Inspection Test Pass Before ...